K2 Systems CrossRail 80 Datasheet
Technical Specifications and Product Information
Product Overview
The K2 Systems CrossRail 80 is a high-strength extruded aluminum rail designed for robust solar mounting systems. This datasheet provides comprehensive technical specifications, mechanical properties, sectional properties, and load-bearing capacity data to ensure optimal system design and performance.
Product Image Description: A clear, close-up photograph of the K2 Systems CrossRail 80, showcasing its precisely engineered extruded aluminum profile. The profile features a central channel designed for secure component attachment, with interlocking grooves on the top surface and a stable, wider base incorporating a recessed area for enhanced structural integrity.
Available Part Numbers:
| Part Number | Description |
|---|---|
| 4000708 | CrossRail 80 172", Mill Finish |
| 4001370 | SPO CrossRail 80, 216" Rail, Mill Finish |
Technical Data
Mechanical Properties
| Property | Value |
|---|---|
| Material | 6000 Series Aluminum |
| Ultimate Tensile Strength | 37.7 ksi (260 MPa) |
| Yield Strength | 34.8 ksi (240 MPa) |
| Weight | 0.76 lbs/ft (1.13 kg/m) |
Sectional Properties
| Property | Value |
|---|---|
| Sx (Section Modulus about X-axis) | 0.529 in³ (8.699 cm³) |
| Sy (Section Modulus about Y-axis) | 0.2514 in³ (4.120 cm³) |
| A (X-Section Area) | 0.777 in² (5.013 cm²) |
Load and Span Chart
This chart provides critical data on the maximum allowable rail span based on varying snow and wind loads. The shaded areas within the chart visually represent the load capacities for different rail spans, allowing for quick assessment of structural suitability for specific environmental conditions.
| SNOW (psf) | WIND (mph) | RAIL SPAN | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 32" | 4' | 64" | 6' | 80" | 8' | 112" | 10' | 12' | ||
| 0 | 120 | |||||||||
| 0 | 140 | |||||||||
| 0 | 160 | |||||||||
| 10 | 120 | |||||||||
| 10 | 140 | |||||||||
| 10 | 160 | |||||||||
| 20 | 140 | |||||||||
| 20 | 160 | |||||||||
| 30 | 160 | |||||||||
| 40 | 160 | |||||||||
| 80 | 160 | |||||||||
| 100 | 160 | |||||||||
Configurations considered in span charts: 44X/MAX, 48X, 48XL, CR80.
Manufacturing and Dimensional Details
Units: [mm] in
Cross-Sectional Diagram Description: A technical drawing illustrating the precise cross-section of the CrossRail 80. Key dimensions are clearly labeled: A (80 mm), B (39 mm), C (4368.80 mm, representing a specific rail length), along with detailed measurements for wall thickness and channel features, including 20 mm, 1.5 mm, 6.00 mm, 2.00 mm, and 1.00 mm.
Side View Diagram Description: A technical drawing presenting a side profile of the rail, highlighting specific edge details and critical dimensions such as 1.5 mm, 4.5 mm, and 1.0 mm.
Notes:
- Structural values and span charts have been determined in accordance with the Aluminum Design Manual and ASCE 7-16 standards.
- The system is UL2703 Listed for Fire and Bonding applications.
Manufacturing Specifications:
| Specification | Detail |
|---|---|
| Part Number | 4000708 |
| Rail Length | 172.0 in [4368.80 mm] |
| Material | Aluminum alloys: Al 6061-T6, 6005A-T5, 6005A-T61, or equivalent. |
| Weight per length | 1.3614 kg/m (0.9149 lbs/ft) |
| Weight per cut (for 172" rail) | 5947.7793 g (13.11 lbs) |
| Manufacturing Process | EXTRUSION |
| Finish | MILL |
Dimensional Tolerances (in mm):
| Dimension Type | Tolerance |
|---|---|
| X.X | ±1.00 |
| X.XX | ±0.40 |
| X.XXX | ±0.20 |
| RADIUS | ±0.5 |
| ANGULAR | ±1° |
Additional Part Numbers and Lengths:
| Part Number | Rail Length |
|---|---|
| 4000484 | 82.0 in [2082.80 mm] |
| 4000508 | 168.0 in [4267.20 mm] |
| 4001370 | 216.0 in [5486.40 mm] |
| 4000708 | 172.0 in [4368.80 mm] |
